APA (7th ed.) Citation

O'Kennon, L. E., & O'Kennon, B. (1987). Texas wildflower portraits. Texas Monthly Press.

Chicago Style (17th ed.) Citation

O'Kennon, Lou Ellen, and Bob O'Kennon. Texas Wildflower Portraits. Austin, Tex.: Texas Monthly Press, 1987.

MLA (9th ed.) Citation

O'Kennon, Lou Ellen, and Bob O'Kennon. Texas Wildflower Portraits. Texas Monthly Press, 1987.